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(RS-90) Move appdata (retroarch) base directory to external microsd card

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This commit is contained in:
jdgleaver 2021-07-15 16:53:47 +01:00
parent 23b8652656
commit 9e100b752e
4 changed files with 109 additions and 19 deletions
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92
dingux/dingux_utils.c
View File

@ -17,12 +17,13 @@
#include <file/file_path.h>
#include <streams/file_stream.h>
#if defined(DINGUX_BETA)
#include <string/stdstring.h>
#include <stdlib.h>
#if defined(RS90)
#include <lists/dir_list.h>
#endif
#include <stdlib.h>
#include "dingux_utils.h"
#define DINGUX_ALLOW_DOWNSCALING_FILE "/sys/devices/platform/jz-lcd.0/allow_downscaling"
@ -32,6 +33,14 @@
#define DINGUX_SHARPNESS_DOWNSCALING_FILE "/sys/devices/platform/jz-lcd.0/sharpness_downscaling"
#define DINGUX_BATTERY_CAPACITY_FILE "/sys/class/power_supply/battery/capacity"
/* Base path defines */
#define DINGUX_HOME_ENVAR "HOME"
#define DINGUX_BASE_DIR "retroarch"
#define DINGUX_BASE_DIR_HIDDEN ".retroarch"
#define DINGUX_RS90_MEDIA_PATH "/media"
#define DINGUX_RS90_DEFAULT_SD_PATH "/media/mmcblk0p1"
#define DINGUX_RS90_DATA_PATH "/media/data"
/* OpenDingux Beta defines */
#define DINGUX_BATTERY_VOLTAGE_MIN "/sys/class/power_supply/jz-battery/voltage_min_design"
#define DINGUX_BATTERY_VOLTAGE_MAX "/sys/class/power_supply/jz-battery/voltage_max_design"
@ -302,3 +311,80 @@ int dingux_get_battery_level(void)
return dingux_read_battery_sys_file(DINGUX_BATTERY_CAPACITY_FILE);
#endif
}
/* Fetches the path of the base 'retroarch'
* directory */
void dingux_get_base_path(char *path, size_t len)
{
const char *home = NULL;
#if defined(RS90)
struct string_list *dir_list = NULL;
#endif
if (!path || (len < 1))
return;
#if defined(RS90)
/* The RS-90 home directory is located on the
* device's internal storage. This has limited
* space (a total of only 256MB), such that it
* is impractical to store cores and user files
* here. We therefore attempt to use a base
* path on the external microsd card */
/* Get list of directories in /media */
dir_list = dir_list_new(DINGUX_RS90_MEDIA_PATH,
NULL, true, true, false, false);
if (dir_list)
{
size_t i;
bool path_found = false;
for (i = 0; i < dir_list->size; i++)
{
const char *dir_path = dir_list->elems[i].data;
int dir_type = dir_list->elems[i].attr.i;
/* Skip files and invalid entries */
if ((dir_type != RARCH_DIRECTORY) ||
string_is_empty(dir_path) ||
string_is_equal(dir_path, DINGUX_RS90_DATA_PATH))
continue;
/* Build 'retroarch' subdirectory path */
snprintf(path, len, "%s%c%s", dir_path,
PATH_DEFAULT_SLASH_C(), DINGUX_BASE_DIR);
/* We can use this subdirectory path if:
* - Directory corresponds to an unlabelled
* microsd card
* - Subdirectory already exists */
if (string_is_equal(dir_path, DINGUX_RS90_DEFAULT_SD_PATH) ||
path_is_directory(path))
{
path_found = true;
break;
}
}
dir_list_free(dir_list);
if (path_found)
return;
}
#endif
/* Get home directory */
home = getenv(DINGUX_HOME_ENVAR);
/* If a home directory is found (which should
* always be the case), base path is "$HOME/.retroarch"
* > If home path is unset, use existing UNIX frontend
* driver default of "retroarch" (this will ultimately
* fail, but there is nothing else we can do...) */
if (home)
snprintf(path, len, "%s%c%s", home,
PATH_DEFAULT_SLASH_C(), DINGUX_BASE_DIR_HIDDEN);
else
strlcpy(path, DINGUX_BASE_DIR, len);
}

4
dingux/dingux_utils.h
View File

@ -101,6 +101,10 @@ bool dingux_ipu_reset(void);
/* Fetches internal battery level */
int dingux_get_battery_level(void);
/* Fetches the path of the base 'retroarch'
* directory */
void dingux_get_base_path(char *path, size_t len);
RETRO_END_DECLS
#endif

13
file_path_special.c
View File

@ -37,6 +37,10 @@
#include <kernel/image.h>
#endif
#if defined(DINGUX)
#include "dingux/dingux_utils.h"
#endif
#include <stdlib.h>
#include <boolean.h>
#include <string.h>
@ -104,13 +108,8 @@ bool fill_pathname_application_data(char *s, size_t len)
return true;
}
#elif defined(DINGUX)
const char *appdata = getenv("HOME");
if (appdata)
{
fill_pathname_join(s, appdata, "/.retroarch", len);
return true;
}
dingux_get_base_path(s, len);
return true;
#elif !defined(RARCH_CONSOLE)
const char *xdg = getenv("XDG_CONFIG_HOME");
const char *appdata = getenv("HOME");

19
frontend/drivers/platform_unix.c
View File

@ -1792,6 +1792,9 @@ static void frontend_unix_get_env(int *argc,
}
#else
char base_path[PATH_MAX] = {0};
#if defined(DINGUX)
dingux_get_base_path(base_path, sizeof(base_path));
#else
const char *xdg = getenv("XDG_CONFIG_HOME");
const char *home = getenv("HOME");
@ -1803,14 +1806,11 @@ static void frontend_unix_get_env(int *argc,
else if (home)
{
strlcpy(base_path, home, sizeof(base_path));
#if defined(DINGUX)
strlcat(base_path, "/.retroarch", sizeof(base_path));
#else
strlcat(base_path, "/.config/retroarch", sizeof(base_path));
#endif
}
else
strcpy_literal(base_path, "retroarch");
#endif
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_CORE], base_path,
"cores", sizeof(g_defaults.dirs[DEFAULT_DIR_CORE]));
@ -2154,10 +2154,14 @@ static int frontend_unix_parse_drive_list(void *data, bool load_content)
#else
char base_path[PATH_MAX] = {0};
char udisks_media_path[PATH_MAX] = {0};
const char *xdg = getenv("XDG_CONFIG_HOME");
const char *home = getenv("HOME");
const char *user = getenv("USER");
#if defined(DINGUX)
dingux_get_base_path(base_path, sizeof(base_path));
#else
const char *xdg = getenv("XDG_CONFIG_HOME");
if (xdg)
{
strlcpy(base_path, xdg, sizeof(base_path));
@ -2166,12 +2170,9 @@ static int frontend_unix_parse_drive_list(void *data, bool load_content)
else if (home)
{
strlcpy(base_path, home, sizeof(base_path));
#if defined(DINGUX)
strlcat(base_path, "/.retroarch", sizeof(base_path));
#else
strlcat(base_path, "/.config/retroarch", sizeof(base_path));
#endif
}
#endif
strlcpy(udisks_media_path, "/run/media", sizeof(udisks_media_path));
if (user)